Today’s mixed bag has eight number puzzles: a few “what comes next” sequences, a grocery question, a pocketful of coins and a peek at the calendar. All of them can be done in your head, or with a pencil if you like.
Work out each answer and type it in digits (or a word where asked).
What comes next? 3, 6, 12, 24, ?
What comes next? 1, 4, 9, 16, 25, ?
What comes next? 100, 93, 86, 79, ?
A dozen eggs costs $3.00. How many cents does one egg cost?
What is the smallest number of coins (pennies, nickels, dimes and quarters) that adds up to exactly 41 cents?
This year, October 13 falls on a Tuesday. What day of the week is Halloween, October 31?
Which sign fills the blank? 8 __ 4 = 32 (Type plus, minus, times or divided by.)
What comes next? 1, 1, 2, 3, 5, 8, ?
New puzzles every day. Try another one »
How to Play
- Type your answer in digits, such as 25 – no units needed.
- Tap Check to see if you’re right.
- Tap Hint for a clue, or Show answer to see how it works.
- Your progress is saved on this device.
Tip for Number Sequences
When a sequence has you stumped, write down the difference between each pair of neighbors. If the differences are all the same, you’re adding or subtracting. If they keep growing quickly, try multiplying – or check whether each number comes from adding up the ones before it.